//
// Copyright (c) 2009-2011, chunquedong
//
// This file is part of ChunMap project
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE(Version >=3)
//
// History:
//   2011-09-04  Jed Young  Creation
//

using chunmapData
using slanData
using gfx2
using chunmapModel

**
** RasterDataSource
**
@Js
abstract const class RasterDataSource : DataSource
{
  override Feature? find(Condition condition, |Feature->Bool| filter) { throw UnsupportedErr() }

  override Metadata metadata() { throw UnsupportedErr() }
  override Schema schema() { throw UnsupportedErr() }
}